138962761065530649

Names of 138962761065530649

• Cardinal: 138962761065530649 can be written as One hundred thirty-eight quadrillion, nine hundred sixty-two trillion, seven hundred sixty-one billion, sixty-five million, five hundred thirty thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 1.38962761065530649 × 10¹⁷

Factors of 138962761065530649

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 55932

Divisors of 138962761065530649

• Number of divisors d(n): 189
• Complete list of divisors:
  1 3 9 13 19 27 39 57 81 117 169 171 243 247 351 361 507 513 729 741 1053 1083 1521 1539 2223 3159 3211 3249 4563 4617 4693 6669 9477 9633 9747 13689 13851 14079 20007 28899 29241 41067 42237 55897 60021 61009 86697 87723 123201 126711 167691 180063 183027 260091 263169 380133 503073 549081 726661 780273 1062043 1140399 1509219 1647243 2179983 2340819 3186129 3421197 4527657 4941729 6539949 9446593 9558387 13582971 13806559 14825187 19619847 20178817 28339779 28675161 40748913 41419677 44475561 58859541 60536451 85019337 86025483 124259031 176578623 179485267 181609353 255058011 258076449 262324621 372777093 529735869 538455801 544828059 765174033 774229347 786973863 1118331279 1615367403 1634484177 2295522099 2360921589 3124474609 3354993837 3410220073 4846102209 4903452531 6886566297 7082764767 9373423827 10064981511 10230660219 14538306627 14710357593 21248294301 28120271481 30691980657 40618169917 43614919881 59365017571 63744882903 84360814443 92075941971 121854509751 130844759643 178095052713 191234648709 253082443329 276227825913 365563529253 528036208921 534285158139 759247329987 771745228423 828683477739 1096690587759 1127935333849 1584108626763 1602855474417 2277741989961 2315235685269 2486050433217 3290071763277 3383806001547 4752325880289 4808566423251 6945707055807 9870215289831 10032687969499 10151418004641 14256977640867 14425699269753 14663159340037 20837121167421 29610645869493 30098063908497 30454254013923 42770932922601 43277097809259 43989478020111 62511363502263 90294191725491 91362762041769 128312798767803 131968434060333 187534090506789 190621071420481 270882575176473 274088286125307 384938396303409 395905302180999 562602271520367 571863214261443 812647725529419 822264858375921 1187715906542997 1715589642784329 2437943176588257 3563147719628991 5146768928352987 7313829529764771 10689443158886973 15440306785058961 46320920355176883 138962761065530649
• Sum of all divisors σ(n): 238111843109740173
• Sum of proper divisors (its aliquot sum) s(n): 99149082044209524
• 138962761065530649 is a deficient number, because the sum of its proper divisors (99149082044209524) is less than itself. Its deficiency is 39813679021321125

Bases of 138962761065530649

• Binary: 111101101101100011110010100011010010100011000010100011001₂
• Hexadecimal: 0x1EDB1E51A518519
• Base-36: 120A6R4Q90K9

Squares and roots of 138962761065530649

• 138962761065530649 squared (138962761065530649²) is 19310648962955760834618043958361201
• 138962761065530649 cubed (138962761065530649³) is 2683461097859558605587855734654543613937899477949449
• 138962761065530649 is a perfect square number. Its square root is 372777093
• The cube root of 138962761065530649 is 517963.8832636553

Scales and comparisons

• 138,962,761,065,530,649 seconds is equal to 4,418,585,961 years, 43 weeks, 5 days, 7 hours, 24 minutes, 9 seconds.
• To count from 1 to 138,962,761,065,530,649 would take you about thirteen billion, two hundred fifty-five million, seven hundred fifty-seven thousand, eight hundred eighty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138962761065530649 cubic inches would be around 43163.7 feet tall.

Recreational maths with 138962761065530649

• 138962761065530649 backwards is 946035560167269831
• 138962761065530649 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138962761065530649's digits is 81
• More coming soon!